00491nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001300076245006300089260006200152300001000214650002700224650002400251710004600275Para_6579CHAP220125s1973    xx            000 0 und d  a205105  cCHAP  aOu, S.H.  aA handbook of rice diseases in the tropics /c by S. H. Ou  aPhilippines :b The International Rice Research Institute  a58 p.  aArroz x enfermedades   aArroz x trópicos  aThe International Rice Research Institute